User interface for a portion of a display screen



The FIGURE is a front view of a user interface for a portion of adisplay screen showing our new design.

The broken lines shown in the drawings are included for the purpose ofillustrating portions of the user interface that form no part of theclaimed design. The broken line showing of the display screen forms nopart of the claimed design.

The ornamental design for a user interface for a portion of a displayscreen, as shown and described.